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Chevrolet Performance Gm LS7 cam: specs, price & owner results
211/230 .593"/.588" 121 LSA
| Spec | Value |
|---|---|
| Engine | LS7 |
| Style | HYDRAULIC ROLLER |
| Duration @ .050 (int/exh) | 211.0 / 230.0 |
| Lift (int/exh) | 0.593 / 0.588 |
| LSA | 121.0 |
Lift is with the stock 1.8 rockers; GM lists .558"/.558" with 1.7 rockers. Stock LS7 cam; GM says it will not work on Gen III engines.
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Check current price at Sdparts
Tuning checklist
- Tune: Aftermarket cams need idle, fuel, spark and torque-model changes.
What owners report with this cam
Owner-reported numbers from public forum threads — exploratory, not verified. Dynos, heads, supporting mods and tunes differ; use these as a rough range, not a promise.
6reports
| Engine | Heads | HP | TQ | Measured at | Adder | Confidence | Thread |
|---|---|---|---|---|---|---|---|
| 339ci LSX376-based (stock 4.8 crank and rods) | ported heads | 1350 | Not stated | twin turbo (twin 80mm) | High | grassrootsmotorsports.com | |
| aluminum 5.3 | 672 | 735 | Wheel | S472 turbo, 1.1 A/R T6 | High | ls1tech.com | |
| L33 | 547 | Wheel | turbocharger (Holset H1E) | High | lateral-g.net | ||
| LM7 5.3 | stock 5.3L | 422 | 395 | Not stated | NA | High | motortrend.com |
| LS (LM7 5.3L test engine) | stock 5.3L | 422 | 395 | Crank | NA | High | motortrend |
| LM7 | stock 5.3 | 422 | 395 | Crank | NA | High | motortrend |
Sources
- DOD, AFM, And DFM Deletes: A Q&A With Michigan Motorsports — LSX Magazine
- Sdparts — Sdparts
- GM LS7 camshaft 12638426 — GM Performance Motor